China unveils plan to stabilize growth of machinery industry China's industrial authorities unveiled a plan to keep the country's machinery industry growing steadily in 2023-2024 1.2w 09-05 18:40 READ MOST 我国授权纳米专利总数达46.4万件 居世界第一 5486 08-30 21:46 POPULAR TAGS 纳米 中科院 专利